Virology 1 & 2 Ryan Flashcards Preview

Common Mechanisms of Disease-2 > Virology 1 & 2 Ryan > Flashcards

Flashcards in Virology 1 & 2 Ryan Deck (7)
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1
Q

What is a virus?

A

A virus is an obligate intracellular paracite that replicates by self assembly of individual components rather than binary fission

2
Q

Can a virus make energy or proteins independent from the host cell ?

A

No

3
Q

Describe the viral genome

A

It can be double or single stranded stranded DNA or RNA but not both

4
Q

How are viruses categorized ?

A

By the physical and biochemical composition of the virus particle or Viron

5
Q

What is the viral genome packaged into ?

A

A Capsid which can be helical, icosahedral/spherical, or complex

6
Q

What is a nucleocapsid?

A

The viral genome inside the capsid chell.

7
Q

What are the orientations of the viral RNA genomes ?

A

+ RNA genomes are the same sense as mRNA and can be directly translated to protein. - RNA are anti-sense and ue be first transcribed into sence strand. Some viral RNA can be